发明名称 |
Optical disc with heat blocking bands between tracks |
摘要 |
An optical disc has a plurality of tracks arranged in a radical direction of the disc. On each track, a plurality of servo areas for recording servo information and a plurality of data areas for recording data information are provided. A heat blocking band is provided between adjacent tracks in the data area for preventing heat from transmitting to the data area.
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申请公布号 |
US5617406(A) |
申请公布日期 |
1997.04.01 |
申请号 |
US19950391445 |
申请日期 |
1995.02.21 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
ONAGI, NOBUAKI;YOKOGAWA, FUMIHIKO |
分类号 |
G11B7/24;G11B7/007;G11B7/013;G11B7/09;G11B11/10;G11B11/105;(IPC1-7):G11B7/24 |
主分类号 |
G11B7/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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